Hover Interaction not working with Grouped items?

I just tried changing a static list layout slide (Affinity template) to an interactive slide.  First I grouped Bullet 01 and Body 01 (text) to form Group 01.  I then added a trigger to change the state of Character 01 to Hidden when user hovers over Group 01. 
The interaction works if I hover over Bullet 01 only.  If I hover over the text area (Body 01) it does not hide the character, even though the two items are grouped.

Ideas?

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